Analysis
-
max time kernel
142s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 00:05
Static task
static1
Behavioral task
behavioral1
Sample
RFQ-2251.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
RFQ-2251.exe
Resource
win10v2004-20220414-en
General
-
Target
RFQ-2251.exe
-
Size
467KB
-
MD5
a8426b5bad6bc128155701a777d03900
-
SHA1
c6257f2c917ccd2a45bb81440114ff63292eff91
-
SHA256
4bebecd4e0286af21b88e3b1d71b34f9567e8c21e99bb0145ad718a0d7353b11
-
SHA512
24b41a75180b4f1cf8a49d47c74a4e13b772ca15d27e3b4d1a5e83b8b8b8f29f0203f8c26c813725cb78d76c8db0cf0c80e8623217646f98c58a027c00ae6224
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.itdone.cz - Port:
587 - Username:
[email protected] - Password:
viObavejMa
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
AgentTesla Payload 6 IoCs
Processes:
resource yara_rule behavioral1/memory/956-63-0x0000000000400000-0x000000000044A000-memory.dmp family_agenttesla behavioral1/memory/956-64-0x0000000000400000-0x000000000044A000-memory.dmp family_agenttesla behavioral1/memory/956-65-0x0000000000400000-0x000000000044A000-memory.dmp family_agenttesla behavioral1/memory/956-66-0x0000000000445FDE-mapping.dmp family_agenttesla behavioral1/memory/956-68-0x0000000000400000-0x000000000044A000-memory.dmp family_agenttesla behavioral1/memory/956-70-0x0000000000400000-0x000000000044A000-memory.dmp family_agenttesla -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
-
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RFQ-2251.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQ-2251.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQ-2251.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQ-2251.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
RFQ-2251.exedescription pid process target process PID 1904 set thread context of 956 1904 RFQ-2251.exe RFQ-2251.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RFQ-2251.exepid process 956 RFQ-2251.exe 956 RFQ-2251.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RFQ-2251.exedescription pid process Token: SeDebugPrivilege 956 RFQ-2251.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
RFQ-2251.exedescription pid process target process PID 1904 wrote to memory of 1652 1904 RFQ-2251.exe schtasks.exe PID 1904 wrote to memory of 1652 1904 RFQ-2251.exe schtasks.exe PID 1904 wrote to memory of 1652 1904 RFQ-2251.exe schtasks.exe PID 1904 wrote to memory of 1652 1904 RFQ-2251.exe schtasks.exe PID 1904 wrote to memory of 956 1904 RFQ-2251.exe RFQ-2251.exe PID 1904 wrote to memory of 956 1904 RFQ-2251.exe RFQ-2251.exe PID 1904 wrote to memory of 956 1904 RFQ-2251.exe RFQ-2251.exe PID 1904 wrote to memory of 956 1904 RFQ-2251.exe RFQ-2251.exe PID 1904 wrote to memory of 956 1904 RFQ-2251.exe RFQ-2251.exe PID 1904 wrote to memory of 956 1904 RFQ-2251.exe RFQ-2251.exe PID 1904 wrote to memory of 956 1904 RFQ-2251.exe RFQ-2251.exe PID 1904 wrote to memory of 956 1904 RFQ-2251.exe RFQ-2251.exe PID 1904 wrote to memory of 956 1904 RFQ-2251.exe RFQ-2251.exe -
outlook_office_path 1 IoCs
Processes:
RFQ-2251.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQ-2251.exe -
outlook_win_path 1 IoCs
Processes:
RFQ-2251.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RFQ-2251.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\RFQ-2251.exe"C:\Users\Admin\AppData\Local\Temp\RFQ-2251.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1904 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TjcWKQrdfU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp985A.tmp"2⤵
- Creates scheduled task(s)
PID:1652 -
C:\Users\Admin\AppData\Local\Temp\RFQ-2251.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:956
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD5e8450faccd6c348c7e6190c6e3bf217d
SHA1018cc8451595df13fbe11748726004ba3311b54a
SHA2560d8d7316e0b3a42f7f19a81848ab9a5067da15ebb467985ec0a8ee6d0c221848
SHA51258a632d9ae218fcbc18ec7389e5583409231c97187f87ac28ff9e0388e2e7be1b76d5628acaf1bf382dca160162da9aa654c98615599047a08f83a1f32be92c0